ACDelco 94RS Battery – Group 94R Silver
Our ACDelco 94RS battery is engineered to deliver dependable starting power and long-lasting performance for a wide range of vehicles. This Group 94R battery features premium construction with silver calcium alloy technology that extends service life and reduces maintenance needs.
Built to withstand extreme temperatures and demanding driving conditions, the 94RS provides consistent cranking amperage when you need it most. We’ve designed this battery with advanced vibration resistance and spill-proof construction, making it ideal for both daily commuters and weekend adventurers who demand reliability from their vehicle’s electrical system.
- Group 94R size – 12.4″ L × 6.9″ W × 7.5″ H for precise fitment
- Silver calcium alloy grid technology for extended service life
- 800 cold cranking amps (CCA) for reliable starts in extreme weather
- 120-minute reserve capacity for extended accessory power
- Maintenance-free design with sealed construction
Silver Calcium Alloy Construction
The acdelco 94rs battery utilizes advanced silver calcium alloy grid technology that sets it apart from conventional lead-antimony batteries. This proprietary alloy reduces water loss during operation, eliminating the need for regular electrolyte checks and topping off.
Our silver calcium construction also delivers superior corrosion resistance, extending the battery’s overall service life even in harsh environmental conditions. The grids maintain their structural integrity through repeated charge-discharge cycles, ensuring consistent performance over the years. This metallurgical advancement means fewer battery replacements and greater value for vehicle owners who want dependable power without constant maintenance.
Group 94R Fitment & Compatibility
Precise Dimensions for Drop-In Installation
The Group 94R designation indicates this battery measures 12.4 inches long, 6.9 inches wide, and 7.5 inches tall, conforming to Battery Council International (BCI) standards. The “R” suffix denotes reverse terminal configuration, with positive terminal on the right side when viewed from the front.
This specific size and layout fits a broad range of Asian and domestic vehicles, particularly popular models from Honda, Toyota, Nissan, and select General Motors vehicles. Before installation, we recommend verifying your current battery’s group size and terminal orientation to ensure proper fitment. The acdelco 94rs battery installs directly into factory battery trays designed for Group 94R specifications, with no modifications required.
Cold Cranking Performance & Reserve Capacity
With 800 cold cranking amps, the acdelco 94rs battery provides robust starting power even when temperatures drop well below freezing. CCA measures the battery’s ability to start an engine at 0°F (-18°C) for 30 seconds while maintaining at least 7.2 volts, and our 800 CCA rating exceeds the requirements of most vehicles in this size class.
The 120-minute reserve capacity rating indicates how long the battery can supply 25 amps of power before voltage drops below the minimum threshold. This specification becomes critical if your alternator fails while driving, allowing you to operate essential electrical systems long enough to reach service safely. For drivers in regions with extreme winter weather or those who frequently use vehicle accessories while parked, these performance specifications deliver peace of mind and practical utility.
More Premium ACDelco Batteries
What people are saying
Common Questions About the ACDelco 94RS Battery
The 94RS fits vehicles requiring a Group 94R battery with reverse terminal configuration (positive terminal on the right). This includes many Honda, Toyota, Nissan, and select General Motors models.
Before purchasing, verify your current battery displays “Group 94R” on its label and measure the battery tray dimensions to confirm 12.4″ × 6.9″ × 7.5″ will fit. Your vehicle owner’s manual also lists the correct battery group size in the specifications section.
Under normal operating conditions with a properly functioning charging system, the acdelco 94rs battery typically delivers 4-6 years of reliable service. Actual lifespan varies based on climate, driving patterns, and vehicle electrical demands.
Vehicles in extremely hot climates or those making frequent short trips may experience shorter battery life due to increased stress. The included 36-month free replacement warranty covers the critical early performance period.
No, the ACDelco 94RS features completely maintenance-free construction with sealed valve-regulated technology. You never need to check water levels or add distilled water throughout the battery’s service life.
The only maintenance recommended is keeping terminals clean and ensuring battery hold-down brackets remain secure. Periodically inspect the battery case for damage and verify your vehicle’s charging system operates within 13.5-14.5 volts while running.
The 94RS delivers 800 cold cranking amps, which measures starting power at 0°F for 30 seconds while maintaining at least 7.2 volts. Higher CCA ratings provide more reliable starts in cold weather when engine oil thickens and batteries lose capacity.
This 800 CCA specification exceeds the requirements of most vehicles in the Group 94R size class, ensuring strong cranking performance even in harsh winter conditions. Drivers in cold climates should prioritize batteries with CCA ratings that meet or exceed their vehicle manufacturer’s recommendations.
Yes, most vehicle owners with basic tools can install this battery following proper safety procedures. You’ll need a wrench to remove cable clamps and battery hold-down brackets.
Always disconnect the negative (black) cable first, then the positive (red) cable. When installing the new acdelco 94rs battery, connect the positive cable first, then the negative. Ensure terminals are clean and connections are tight. If your vehicle requires memory saver procedures for radio presets or computer settings, consult your owner’s manual before disconnection.
Reserve capacity measures how long the battery can supply 25 amps at 80°F before voltage drops below 10.5 volts. The 94RS’s 120-minute rating means it can power essential electrical systems for two hours if the alternator fails.
This specification becomes critical during alternator failure scenarios, providing enough power to operate headlights, wipers, and engine management systems while driving to a service facility. Higher reserve capacity also benefits vehicles with significant accessory loads when the engine is off.
The standard 94RS is designed for conventional starting systems and may not meet the enhanced cycling requirements of start-stop vehicle systems. Vehicles with start-stop technology typically require AGM (Absorbed Glass Mat) batteries engineered for frequent charge-discharge cycles.
If your vehicle came factory-equipped with start-stop functionality and an AGM battery, we recommend selecting an AGM replacement to ensure proper system operation and battery longevity. Consult your vehicle owner’s manual to confirm the battery technology specified for your model.